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Finding the Fourth Proportional to 4,394.06, 6,062.98 and 2,978.89

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Solution

The fourth proportional to 4,394.06, 6,062.98 and 2,978.89 is: 4,110.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,394.06 : 6,062.98 = 2,978.89 : x
  2. Step 2: Convert to fraction form
    4,394.06/6,062.98 = 2,978.89/x
  3. Step 3: Cross multiply
    4,394.06x = 6,062.98 × 2,978.89
  4. Step 4: Simplify right side
    4,394.06x = 18,060,950.49
  5. Step 5: Solve for x
    x = 18,060,950.49/4,394.06
  6. Step 6: Final answer
    x = 4,110.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.